11. A corn mill and hammer mill  for producing animal feed were added in separate buildings. 12. In 1951, new owner G van der Poll installed a hammer mill  in the mill. 13. It is looked after by the Freibergsdorf Hammer Mill  Society ( " Freibergsdorfer Hammerverein e. 14. Secondary, he worked on the appraisal of old farmhouses, hammer mills , War Museum at Vienna. 15. The iron hammer mill  enjoyed its operational heyday in the second half of the 17th century. 16. A wooden hammer mill , built entirely in oak, is located outside and features a water reservoir. 17. In the past, many industries operated in Monteggio, including; brickworks, mills, hammer mills , fishing and a sawmill. 18. This was an old hammer mill  site. 19. In 1907 the Frohnauer Hammer Mill  on the Sehma river became the first technical monument in Saxony. 20. In 1804 a hammer mill  was built along the Biglenbach and industry began to develop in Worb.